<?php

namespace app\models;

use Yii;
use yii\base\Model;
use yii\data\ActiveDataProvider;
use app\models\Comment;

/**
 * CommentSearch represents the model behind the search form about `app\models\Comment`.
 */
class CommentSearch extends Comment
{
    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['id', 'user_id', 'question_id', 'class1_id', 'class2_id', 'like_num', 'play_num'], 'integer'],
            [['comment_content', 'url', 'comment_time', 'like_ids'], 'safe'],
        ];
    }

    /**
     * @inheritdoc
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }

    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = Comment::find();

        // add conditions that should always apply here

        $dataProvider = new ActiveDataProvider([
            'query' => $query,
        ]);

        $this->load($params);

        if (!$this->validate()) {
            // uncomment the following line if you do not want to return any records when validation fails
            // $query->where('0=1');
            return $dataProvider;
        }

        // grid filtering conditions
        $query->andFilterWhere([
            'id' => $this->id,
            'user_id' => $this->user_id,
            'question_id' => $this->question_id,
            'comment_time' => $this->comment_time,
            'class1_id' => $this->class1_id,
            'class2_id' => $this->class2_id,
            'like_num' => $this->like_num,
            'play_num' => $this->play_num,
        ]);

        $query->andFilterWhere(['like', 'comment_content', $this->comment_content])
            ->andFilterWhere(['like', 'url', $this->url])
            ->andFilterWhere(['like', 'like_ids', $this->like_ids]);

        return $dataProvider;
    }
}
